What is the CVSS score of CVE-2026-26272?

CVE-2026-26272 has a CVSS 3.1 base score of 4.6 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Homebox are affected by CVE-2026-26272?

Organizations using HomeBox should be aware of moderate risk from CVE-2026-26272, a cross-site scripting vulnerability rated CVSS 4.6.. A patch is available.

How to fix or mitigate CVE-2026-26272?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Homebox CVE-2026-26272

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-03-03 security-advisories@github.com

XSS Homebox

4.6

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

4.6 MEDIUM

AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:05 vuln.today

Patch released

Mar 05, 2026 - 21:20 nvd

Patch available

CVE Published

Mar 03, 2026 - 23:15 nvd

MEDIUM 4.6

DescriptionGitHub Advisory

HomeBox is a home inventory and organization system. Prior to 0.24.0-rc.1, a stored cross-site scripting (XSS) vulnerability exists in the item attachment upload functionality. The application does not properly validate or restrict uploaded file types, allowing an authenticated user to upload malicious HTML or SVG files containing executable JavaScript (also, potentially other formats that render scripts). Uploaded attachments are accessible via direct links. When a user accesses such a file in their browser, the embedded JavaScript executes in the context of the application's origin. This vulnerability is fixed in 0.24.0-rc.1.

AnalysisAI

Stored XSS in Homebox prior to 0.24.0-rc.1 allows authenticated users to upload malicious HTML or SVG files containing executable JavaScript that runs in the application's security context when accessed by other users. An attacker with valid credentials can exploit improper file type validation in the attachment upload feature to execute arbitrary scripts against victims viewing the malicious files. The vulnerability has been patched in version 0.24.0-rc.1.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects the item attachment upload component of Homebox. HomeBox is a home inventory and organization system. Prior to 0.24.0-rc.1, a stored cross-site scripting (XSS) vulnerability exists in the item attachment upload functionality. The application does not properly validate or restrict uploaded file types, allowing an authenticated user to upload malicious HTML or SVG files containing executable JavaScript (also, potentially other formats that render scripts). Uploaded attachments are accessible via direct links. When a user accesses such a file in

RemediationAI

A vendor patch is available — apply it immediately. Fixed in version 0.24.0. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.